from New Haven:
I95 or Merritt Parkway to Route 7 North (Exit 40 on Merritt) on Route 7 (Danbury Road on map) to junction with Route 33. Turn left onto Route 33, cross railroad bridge, turn left again into Wilton Center (Center Street which turns into Old Ridgefield Road). Follow Old Ridgefield Road to Library on right.

from New York:
Merritt Parkway to Exit 40. Route 7 North & follow directions from New Haven;

OR

I95 to Exit 15, Route 7 Connector. Follow to end and turn right on Grist Mill Road. Follow to end and turn left on Route 7 North. Follow directions from New Haven.